{
   "epochs": [ {
      "calculation_time": "13366500551482727",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367163595360030",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C794028DE54D90EED7854191873E28E2611447CDB48D970F471A3FDBB183F1C8",
   "next_scheduled_calculation_time": "13367768395360121"
}
